I.S. EN 922:1995
Superseded
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PLASTICS PIPING AND DUCTING SYSTEMS - PIPES AND FITTINGS OF UNPLASTICIZED POLY(VINYL CHLORIDE) (PVC-U) - SPECIMEN PREPARATION FOR DETERMINATION OF THE VISCOSITY NUMBER AND CALCULATION OF THE K-VALUE
Hardcopy , PDF
14-09-2011
English
01-01-1995
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Dates of withdrawal of national standards are available from NSAI.
Foreword
1 Scope
2 Normative references
3 Principle
4 Reagents for isolation of the PVC resin
5 Apparatus for isolation of the PVC resin
6 Procedure
7 Calculation of K-value
8 Precision
9 Test report
Annex A (informative) K-values for PVC resin and their
relationship with viscosity number
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